Linux Kernel up to 5.19.5 nf_tables_api.c nft_verdict_init denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.89

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 5.19.5. The impacted element is the function nft_verdict_init of the file net/netfilter/nf_tables_api.c. This manipulation causes denial of service. This vulnerability is registered as CVE-2022-39190. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 5.19.5 (Operating System). Affected by this vulnerability is the function nft_verdict_init of the file net/netfilter/nf_tables_api.c. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in net/netfilter/nf_tables_api.c in the Linux kernel before 5.19.6. A denial of service can occur upon binding to an already bound chain.

The weakness was published 09/02/2022 as e02f0d3970404bfea385b6edb86f2d936db0ea2b. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2022-39190 since 09/02/2022. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 236648 (Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.19.6 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying the patch e02f0d3970404bfea385b6edb86f2d936db0ea2b is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (236648) and EUVD (EUVD-2022-41735). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236648
Nessus Name: Alibaba Cloud Linux 3 : 0002: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0002)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.19.6
Patch: e02f0d3970404bfea385b6edb86f2d936db0ea2b

Timelineinfo

09/02/2022 🔍
09/02/2022 +0 days 🔍
09/02/2022 +0 days 🔍
06/28/2026 +1395 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: e02f0d3970404bfea385b6edb86f2d936db0ea2b
Status: Confirmed

CVE: CVE-2022-39190 (🔍)
GCVE (CVE): GCVE-0-2022-39190
GCVE (VulDB): GCVE-100-207775
EUVD: 🔍

Entryinfo

Created: 09/02/2022 14:23
Updated: 06/28/2026 15:52
Changes: 09/02/2022 14:23 (46), 10/11/2022 13:47 (11), 05/18/2025 23:05 (16), 06/28/2026 15:52 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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